Home / 2,485.12-3,729.84-1,716.16

Finding the Fourth Proportional to 2,485.12, 3,729.84 and 1,716.16

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Solution

The fourth proportional to 2,485.12, 3,729.84 and 1,716.16 is: 2,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.12 : 3,729.84 = 1,716.16 : x
  2. Step 2: Convert to fraction form
    2,485.12/3,729.84 = 1,716.16/x
  3. Step 3: Cross multiply
    2,485.12x = 3,729.84 × 1,716.16
  4. Step 4: Simplify right side
    2,485.12x = 6,401,002.21
  5. Step 5: Solve for x
    x = 6,401,002.21/2,485.12
  6. Step 6: Final answer
    x = 2,575.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.